Insecticidal, acaricidal and herbicidal 1-H-3-aryl-pyrrolidine-2,4-dione derivatives

ABSTRACT

Insecticidal, acaricidal and herbicidal 1-H-3-aryl-pyrrolidine-2,4-dione derivatives of the formula ##STR1## in which the variables are described in the specification.

The invention relates to new 3-aryl-pyrrolidine-2,4-dione derivatives, to a plurality of processes for their preparation, and to their use as insecticides, acaricides and herbicides.

Pharmaceutical properties have previously been described for 3-acyl-pyrrolidine-2,4-diones (S. Suzuki et al. Chem. Pharm. Bull. 15, 1120 (1967)). Furthermore, N-phenyl-pyrrolidine-2,4-diones were synthesized by R. Schmierer and H. Mildenberger (Liebigs Ann. Chem. 1985 1095). However, a biological activity of these compounds was not described.

EP-A 0,262,399 discloses compounds of a similar structure (3-aryl-pyrrolidine-2,4-diones), but it has not emerged that they have herbicidal, insecticidal or acaricidal action.

DE-A 3,525,109 discloses 1-H-3-arylpyrrolidine-2,4-diones of a similar structure which are used as intermediates in the syntheses of dyes.

New 3-aryl-pyrrolidine-2,4-dione derivatives which are outlined by the formula (I) ##STR2## in which X represents alkyl, halogen or alkoxy,

Y represents hydrogen, alkyl, halogen, alkoxy or halogenalkyl,

Z represents alkyl, halogen or alkoxy,

n represents a number from 0-3,

R represents hydrogen, or represents the groups --CO--R¹, --CO--O--R² or E.sup.⊕

in which

R¹ represents alkyl, alkenyl, alkoxyalkyl, alkylthioalkyl, polyalkoxyalkyl or cycloalkyl which can be interrupted by hetero atoms, each of these substituents being optionally substituted by halogen, or represents optionally substituted phenyl, optionally substituted phenylalkyl, substituted hetaryl, substituted phenoxyalkyl or substituted hetaryloxyalkyl and

R² represents alkyl, alkenyl, alkoxyalkyl, polyalkoxyalkyl or optionally substituted phenyl, each of these substituents being optionally substituted by halogen,

A represents hydrogen, or alkyl, alkenyl, alkynyl, alkoxyalkyl, alkylthioalkyl or cycloalkyl which is optionally interrupted by hetero atoms, each of these radicals being optionally substituted by halogen, or represents aryl, arylalkyl or hetaryl each of which is optionally substituted by halogen, alkyl, halogenoalkyl, alkoxy or nitro,

B represents hydrogen, alkyl or alkoxyalkyl,

or where

A and B together with the carbon atom to which they are bonded form a carbocycle and

E.sup.⊕ represents a metal ion equivalent or an ammonium ion, and the pure enantiomeric forms of compounds of the formula (I)

have now been found.

The following sub-groups may be defined below:

(Ia): compounds of the formula (I) where R=hydrogen,

(Ib): compounds of the formula (I) where R=COR¹,

(Ic): compounds of the formula (I) where R=COOR²,

(Id): compounds of the formula (I) where R=E.sup.⊕ represents a metal ion equivalent or an ammonium ion.

Furthermore, it has been found that 3-arylpyrrolidine-2,4-diones or their enols of the formula (Ia) ##STR3## in which A, B, C, X, Y, Z and n have the abovementioned meanings, are obtained when

(A) N-acylamino acid esters of the formula (II) ##STR4## in which A, B, X, Y, Z and n have the abovementioned meanings and

R³ represents alkyl,

are subjected to intramolecular condensation in the presence of a diluent and in the presence of a base.

(B) Furthermore, it has been found that compounds of the formula (Ib) ##STR5## in which A, B, X, Y, Z, R¹ and n have the abovementioned meanings, are obtained when compounds of the formula (Ia) ##STR6## in which A, B, X, Y, Z and n have the abovementioned meanings, are reacted

α) with acid halides of the general formula (III) ##STR7## in which R¹ has the abovementioned meaning and

Hal represents halogen, in particular chlorine and bromine,

if appropriate in the presence of a diluent and

if appropriate in the presence of an acid-binding agent, or

β) with carboxylic anhydrides of the general formula (IV)

    R.sup.1 --CO--O--CO--R.sup.1                               (IV)

in which

R¹ has the abovementioned meaning,

if appropriate in the presence of a diluent and if appropriate in the presence of an acid-binding agent.

(C) Furthermore, it has been found that compounds of the formula (Ic) ##STR8## in which A, B, C, X, Y, Z, R² and n have the abovementioned meanings, are obtained when compounds of the formula (Ia) ##STR9## in which A, B, X, Y, Z and n have the abovementioned meanings, are reacted with chloroformic esters of the general formula (V)

    R.sup.2 --O--CO--Cl                                        (V)

in which

R² has the abovementioned meaning,

if appropriate in the presence of a diluent and if appropriate in the presence of an acid-binding agent.

D) Furthermore, it has been found that compounds of the formula (I) ##STR10## in which X, Y, Z, A, B and n have the abovementioned meanings, are obtained when compounds of the formula (Ia) ##STR11## in which X, Y, Z, A, B and have the abovementioned meanings, are reacted with metal hydroxides or amines of the general formulae (VI) and (VII) ##STR12## in which Me represents monovalent or divalent metal ions,

s and t represent the numbers 1 and 2 and

R⁴, R⁵ and R⁶ independently of one another represent hydrogen and alkyl,

if appropriate in the presence of a diluent.

Surprisingly, it has been found that the new 3-arylpyrrolidine-2,4-dione derivatives of the formula (I) are distinguished by outstanding insecticidal, acaricidal and herbicidal actions.

Preferred 3-aryl-pyrrolidine-2,4-dione derivatives of the formula (I) are those in which

X represents C₁ -C₆ -alkyl, halogen or C₁ -C₆ -alkoxy,

Y represent hydrogen, C₁ -C₆ -alkyl, halogen or C₁ -C₆ -alkoxy or C₁ -C₃ -halogenoalkyl,

Z represents C₁ -C₆ -alkyl, halogen or C₁ -C₆ -alkoxy,

n represents a number from 0-3,

R represents hydrogen (Ia), or represents the groups of the formula ##STR13## in which R¹ represents C₁ -C₂₀ -alkyl, C₂ -C₂₀ -alkenyl, C₁ -C₈ -alkoxy-C₂ -C₈ -alkyl, C₁ -C₈ -alkylthio-C₂ -C₈ -alkyl, C₁ -C₈ -polyalkoxy-C₂ -C₈ -alkyl or cycloalkyl which has 3-8 ring atom sand which can be interrupted by oxygen and/or sulphur, each of these substituents being optionally substituted by halogen, or represents optionally halogen-, nitro-, C₁ -C₆ -alkyl-, C₁ -C₆ -alkoxy-, C₁ -C₆ -halogenalkyl-or C₁ -C₆ -halogenalkoxy-substituted phenyl; or represents optionally halogen-, C₁ -C₆ -alkyl, C₁ -C₆ -alkoxy-, C₁ -C₆ -halogenalkyl- or C₁ -C₆ -halogenalkoxy-substituted phenyl-C₁ -C₆ -alkyl, or represents optionally halogen- or C₁ -C₆ -alkyl-substituted hetaryl, or represents optionally halogen- or C₁ -C₆ -alkyl-substituted phenoxy-C₁ -C₆ -alkyl, or represents optionally halogen, amino or C₁ -C₆ -alkyl-substituted hetaryloxy-C₁ -C₆ -alkyl,

R² represents C₁ -C₂₀ -alkyl, C₂ -C₂₀ -alkenyl, C₁ -C₈ -alkoxy-C₂ -C₈ -alkyl or C₁ -C₈ -polyalkoxy-C₂ -C₈ -alkyl each of which is optionally substituted by halogen, or represents optionally halogen-, nitro-, C₁ -C₆ -alkyl-, C₁ -C₆ -alkoxy- or C₁ -C₆ -halogeno-alkyl-substituted phenyl,

A represents hydrogen or represents straight-chain or branched C₁ -C₁₂ -alkyl, C₃ -C₈ -alkenyl, C₃ -C₈ -alkynyl, C₁ -C₁₀ -alkoxy-C₂ -C₈ -alkyl, C₁ -C₈ -polyalkoxy-C₂ -C₈ -alkyl, C₁ -C₁₀ -alkylthio-C₂ -C₈ -alkyl, cycloalkyl which has 3-8 ring atoms and which can be interrupted by oxygen and/or sulphur, each of these substituents being optionally substituted by halogen, or represents aryl, hetaryl or aryl-C₁ -C₆ -alkyl each of which is optionally substituted by halogen, C₁ -C₆ -alkyl-C₁ -C₆ -haloalkyl, C₁ -C₆ -alkoxy or nitro,

B represents hydrogen or straight-chain or branched C₁ -C₁₂ -alkyl or C₁ -C₈ -alkoxyalkyl,

or where

A and B together with the carbon atom to which they are bonded form a 3 to 8-membered ring,

E.sup.⊕ represents a metal ion equivalent or an ammonium ion,

and the pure enantiomeric forms of compounds of the formula (I).

Particularly preferred compounds of the formula (I) are those in which

X represents C₁ -C₄ -alkyl, halogen, or C₁ -C₄ -alkoxy,

Y represents hydrogen, C₁ -C₆ -alkyl, halogen, C₁ -C₄ -alkoxy or C₁ -C₂ -halogenoalkyl,

Z represents C₁ -C₄ -alkyl, halogen or C₁ -C₄ -alkoxy,

n represents a number from 0-3,

R represents hydrogen (Ia) or represents the groups of the formula ##STR14## in which R¹ represents C₁ -C₁₆ -alkyl, C₂ -C₁₆ -alkenyl, C₁ -C₆ -alkoxy-C₂ -C₆ -alkyl, C₁ -C₆ -alkylthio-C₂ -C₆ -alkyl, C₁ -C₆ -polyalkoxy-C₂ -C₆ -alkyl or cycloalkyl which has 3-7 ring atoms and which can be interrupted by 1-2 oxygen and/or sulphur atoms, each of these substituents being optionally substituted by halogen, or represents optionally halogen-, nitro-, C₁ -C₄ -alkyl-, C₁ -C₄ -alkoxy-, C₁ -C₃ -halogenoalkyl-or C₁ -C₃ -halogenoalkoxy-substituted phenyl, or represents optionally halogen-, C₁ -C₄ -alkyl-, C₁ -C₄ -alkoxy-, C₁ -C₃ -halogenoalkyl- or C₁ -C₃ -halogenoalkoxy-substituted phenyl-C₁ -C₄ -alkyl, or represents optionally halogen- or C₁ -C₆ -alkyl-substituted hetaryl, optionally represents halogen- or C₁ -C₄ -alkyl-substituted phenoxy-C₁ -C₅ -alkyl, or represents optionally halogen, amino or C₁ -C₄ -alkyl-substituted hetaryloxy-C₁ -C₅ -alkyl,

R² represents C₁ -C₁₆ -alkyl, C₂ -C₁₆ -alkenyl, C₁ -C₁₆ -alkoxy-C₂ -C₆ -alkyl or C₁ -C₆ -polyalkoxy-C₂ -C₆ -alkyl each of which is optionally substituted by halogen, or represents optionally halogen, nitro-, C₁ -C₄ -alkyl, C₁ -C₃ -alkoxy- or C₁ -C₃ -halogeno-alkyl-substituted phenyl,

A represents hydrogen or straight-chain or branched C₁ -C₁₀ -alkyl, C₃ -C₆ -alkenyl, C₃ -C₆ -alkynyl, C₁ -C₈ -alkoxy-C₂ -C₆ -alkyl, C₁ -C₆ -polyalkoxy-C₂ -C₆ -alkyl, C₁ -C₈ -alkylthio-C₂ -C₆ -alkyl, or cycloalkyl which has 3-7 ring atoms and which can be interrupted by 1-2 oxygen and/or sulphur atoms, each of these substituents being optionally substituted by halogen, or represents aryl, hetaryl or aryl-C₁ -C₄ -alkyl each of which is optionally substituted by halogen-, C₁ -C₄ -alkyl-, C₁ -C₄ -haloalkyl-C₁ -C₄ -alkoxy- or nitro,

B represents hydrogen or straight-chain or branched C₁ -C₁₀ -alkyl or C₁ -C₆ -alkoxyalkyl,

or where

A and B together with the carbon atom to which they are bonded form a 3 to 7-membered ring,

E.sup.⊕ represents a metal ions equivalent or an ammonium ion,

and the pure enantiomeric forms of compounds of the formula (I).

Very particularly preferred compounds of the formula (I) are those in which

X represents methyl, ethyl, propyl, i-propyl, fluorine, chlorine, bromine, methoxy or ethoxy,

Y represents hydrogen, methyl, ethyl, propyl, i-propyl, butyl, i-butyl, tert.-butyl, fluorine, chlorine, bromine, methoxy, ethoxy or trifluoromethyl,

Z represents methyl, ethyl, i-propyl, butyl, i-butyl, tert.-butyl, fluorine, chlorine, bromine, methoxy or ethoxy,

n represents a number from 0-3,

R represents hydrogen (Ia) or represents the groups of the formula ##STR15## in which R¹ represents C₁ -C₁₄ -alkyl, C₂ -C₁₄ -alkenyl, C₁ -C₄ -alkoxy-C₂ -C₆ --alkyl, C₁ -C₄ -alkylthio-C₂ -C₆ -alkyl, C₁ -C₄ -polyalkoxy-C₂ -C₄ -alkyl and cycloalkyl which has 3-6 ring atoms and which can be interrupted by 1-2 oxygen and/or sulphur atoms, each of these substituents being optionally substituted by fluorine or chlorine, or represents optionally fluorine- chlorine-, bromine-, methyl-, ethyl-, propyl, i-propyl-, methoxy-, ethoxy-, trifluoromethyl-, trifluoromethoxy-or nitro-substituted phenyl, or represents optionally fluorine-, chlorine-, bromine-, methyl-, ethyl-, propyl-, i-propyl-, methoxy-, ethoxy-, trifluoromethyl- or trifluoromethoxy-substituted phenyl-C₁ -C₃ -alkyl, or represents pyridyl, pyrimidyl, thiazolyl or pyrazolyl each of which is optionally substituted by fluorine-, chlorine-, bromine-, methyl- or ethyl-, or represents optionally fluorine-, chlorine-, methyl- or ethyl-substituted phenoxy-C₁ -C₄ -alkyl, or represents pyridyloxy-C₁ -C₄ -alkyl, pyrimidyloxy-C₁ -C₄ -alkyl or thiazolyloxy-C₁ -C₄ -alkyl each of which is optionally substituted by fluorine-, chlorine-, amino-, methyl- or ethyl-,

R² represents C₁ -C₁₄ -alkyl, C₂ -C₁₄ -alkenyl, C₁ -C₄ -alkoxy-C₂ -C₆ -alkyl or C₁ -C₄ -polyalkoxy-C₂ -C₆ -alkyl each of which is optionally substituted by fluorine or chlorine, or represents phenyl which is optionally substituted by fluorine, chlorine, nitro, methyl, ethyl, propyl, i-propyl, methoxy, ethoxy or trifluoromethyl,

A represents hydrogen, or straight-chain or branched C₁ -C₈ -alkyl, C₃ -C₄ -alkenyl, C₃ -C₄ -alkynyl, C₁ -C₆ -alkoxy-C₂ -C₄ -alkyl, C₁ -C₄ -polyalkoxy-C₂ -C₄ -alkyl, C₁ -C₆ -alkylthio-C₂ -C₄ -alkyl, cycloalkyl which has 3-6 ring atoms and which can be interrupted by 1-2 oxygen and/or sulphur atoms, each of these substituents being optionally substituted by halogen, or represents aryl, pyridine, imidazole, pyrazole, triazole, indole, thiazole or aryl-C₁ -C₃ -alkyl each of which is optionally substituted by fluorine-, chlorine-, bromine-, methyl-, ethyl-, propyl-, iso-propyl-, methoxy-, ethoxy-, trifluoromethyl- or nitro,

B represents hydrogen or straight-chain or branched C₁ -C₈ -alkyl or C₁ -C₄ -alkoxyalkyl,

or where

A and B together with the carbon atom to which they are bonded form a 3 to 6-membered ring,

E.sup.⊕ represents a metal ion equivalent or an ammonium ion, and the pure enantiomeric forms of compounds of the formula (I).

If, according to process (A), N-2,6-dichlorophenylacetyl-alanine ethyl ester is used, the course of the process according to the invention can be outlined by the following equation: ##STR16##

If, according to process (B) (variant α), 3-(2,5,6-trimethylphenyl)-5-isopropyl-pyrrolidine-2,4-dione and pivaloyl chloride are used as starting substances, the course of the process according to the invention can be outlined by the following equation: ##STR17##

If, according to process B (variant β), 3-(2,4,6-timethylphenyl)-5-cyclopentyl-pyrrolidine-2,4-dione and acetic anhydride are used, the course of the process according to the invention can be outlined by the following equation: ##STR18##

If, according to process C, 3-(2,4,6-trimethylphenyl)-5-phenyl-pyrrolidine-2,4-dione and ethoxyethyl chloroformate are used, the course of the process according to the invention can be outlined by the following equation: ##STR19##

If, according to process D, 3-(2,4-dichlorophenyl)-5-(2-indolyl)-pyrrolidine-2,4-dione and methylamine are used, the course of the process according to the invention can be outlined by the following equation: ##STR20##

Some of the compounds of the formula (II) ##STR21## in which A, B, X, Y, Z, n and R³ have the abovementioned meanings, and which are required as starting substances in the above process (A) are known or can be prepared in a simple manner by methods known in principle. For example, acyl-amino acid esters of the formula (II) are obtained when

a) amino acid derivatives of the formula (VIII) ##STR22## in which R⁷ represents hydrogen (VIIIa) or alkyl (VIIIb) and

A has the abovementioned meanings, are acylated with phenylacetic halides of the formula (IX) ##STR23## in which X, Y, Z and n have the abovementioned meanings and

Hal represents chlorine or bromine, (Chem. Reviews 52 237-416 (1953));

or when acylamino acids of the formula (IIa) ##STR24## in which A, B, X, Y, Z and n have the abovementioned meanings and

R⁷ represents hydrogen,

are esterified (Chem. Ind. (London) 1568 (1968)).

The following compounds of the formula (II) may be mentioned by way of example:

1. N-2,4-dichlorophenyl-acetyl-glycine ethyl ester

2. N-2,6-dichlorophenyl-acetyl-glycine ethyl ester

3. N-(2,6-dichlorophenyl-acetyl)-alanine ethyl ester

4. N-(2,6-dichlorophenyl-acetyl)-valine ethyl ester

5. N-(2,6-dichlorophenyl-acetyl)-leucine ethyl ester

6. N-(2,6-dichlorophenyl-acetyl)-methionine ethyl ester

7. N-(2,6-dichlorophenyl-acetyl)-phenylanine ethyl ester

8. N-(2,6-dichlorophenyl-acetyl)-tryptophane ethyl ester

9. N-(2,6-dichlorophenyl-acetyl)-isoleucine ethyl ester

10. N-(2,4,6-trimethylphenyl-acetyl)-glycine methyl ester

11. N-(2,4,6-trimethylphenyl-acetyl)-alanine ethyl ester

12. N-(2,4,6-trimethylphenyl-acetyl)-valine ethyl ester

13. N-(2,4,6-trimethylphenyl-acetyl)-leucine ethyl ester

14. N-(2,4,6-trimethylphenyl-acetyl)-isoleucine ethyl ester

15. N-(2,4,6-trimethylphenyl-acetyl)-methionine ethyl ester

16. N-(2,4,6-trimethylphenyl-acetyl)-phenylalanine ethyl ester

17. N-(2,4,6-trimethylphenyl-acetyl)-tryptophane ethyl ester

18. N-(2,4,6-trimethylphenyl-acetyl)-(4-chlorophenyl)-alanine ethyl ester

19. N-(2,4,6-trimethylphenyl-acetyl)-S-methyl-cysteine ethyl ester

20. N-(2,4,6-trimethylphenyl-acetyl)-S-benzyl-cysteine ethyl ester

21. N-(2,4,6-trimethylphenyl-acetyl)-O-methyl-threonine ethyl ester

22. N-(2,4,6-trimethylphenyl-acetyl)-tert.-butyl-alanine ethyl ester

23. N-(2,4,6-trimethylphenyl-acetyl)-histidine ethyl ester

24. N-(2,4,6-trimethylphenyl-acetyl)-O-methyl- tyrosine ethyl ester

25. Methyl N-(2,4,6-trimethylphenyl-acetyl)-1-aminocyclopropane-carboxylate

26. Methyl N-(2,4,6-trimethylphenyl-acetyl)-1-aminocyclopentane-carboxylate

27. Methyl N-(2,4,6-trimethylphenyl-acetyl)-1-aminocyclohexane-carboxylate

28. Methyl N-(2,4,6-trimethylphenyl-acetyl)-1-amino-isobutyrate

29. Methyl N-(2,4,6-trimethylphenyl-acetyl)-2-ethyl-2-amino-butyrate

30. Methyl N-(2,4,6-trimethylphenyl-acetyl)-2-methyl-2-amino-butyrate

31. Methyl N-(2,4,6-trimethylphenyl-acetyl)-2-methyl-2-aminovalerate

32. Methyl N-(2,4,6-trimethylphenyl-acetyl)-2,3-dimethyl-2-aminovalerate

The following compounds of the formula (IIa) may be mentioned by way of example:

1. N-2,4-dichlorophenyl-acetyl-glycine

2. N-2,6-dichlorophenyl-acetyl-glycine

3. N-(2,6-dichlorophenyl-acetyl)-alanine

4. N-(2,6-dichlorophenyl-acetyl)-valine

5. N-(2,6-dichlorophenyl-acetyl)-leucine

6. N-(2,6-dichlorophenyl-acetyl)-methionine

7. N-(2,6-dichlorophenyl-acetyl)-phenylalanine

8. N-(2,6-dichlorophenyl-acetyl)-tryptophane

9. N-(2,6-dichlorophenyl-acetyl)-isoleucine

10. N-(2,6-trimethylphenyl-acetyl)-glycine

11. N-(2,6-trimethylphenyl-acetyl)-alanine

12. N-(2,6-trimethylphenyl-acetyl)-valine

13. N-(2,6-trimethylphenyl-acetyl)-leucine

14. N-(2,6-trimethylphenyl-acetyl)-isoleucine

15. N-(2,6-trimethylphenyl-acetyl)-methionine

16. N-(2,6-trimethylphenyl-acetyl)-phenylalaine

17. N-(2,6-trimethylphenyl-acetyl)-tryptophane

18. N-(2,6-trimethylphenyl-acetyl)-(4-chlorophenyl)-alanine

19. N-(2,6-trimethylphenyl-acetyl)-S-methyl-cysteine

20. N-(2,6-trimethylphenyl-acetyl)-S-benzyl-cysteine

21. N-(2,6-trimethylphenyl-acetyl)-O-methyl-threonine

22. N-(2,6-trimethylphenyl-acetyl)-tert.-butyl-alanine

23. N-(2,6-trimethylphenyl-acetyl)-histidine

24. N-(2,6-trimethylphenyl-acetyl)-O-methyl -tyrosine

25. N-(2,6-trimethylphenyl-acetyl)-1-amino-cyclopropane-carboxylic acid

26. N-(2,6-trimethylphenyl-acetyl)-1-amino-cyclopentanecarboxylic acid

27. N-(2,6-trimethylphenyl-acetyl)-1-amino-cyclohexanecarboxylic acid

28. N-(2,6-trimethylphenyl-acetyl)-1-amino-isobutyric acid

29. N-(2,6-trimethylphenyl-acetyl)-2-ethyl-2-amino-butyric acid

30. N-(2,6-trimethylphenyl-acetyl)-2-methyl-2-aminobutyric acid

31. N-(2,6-trimethylphenyl-acetyl)-2-methyl-2-amino-valeric acid

32. N-(2,6-trimethylphenyl-acetyl)-2,3-dimethyl-2-amino-valeric acid

Compounds of the formula (IIa) can be obtained, for example, from the phenylacetic halides of the formula (IX) and amino acids of the formula (VIIIa) by the method of Schotten-Baumann (Organikum [Practical Organic Chemistry], 9th edition, 446 (1970) VEB Deutscher Verlag der Wissenschaften, Berlin).

Compounds of the formula (VIIIa) and (VIIIb) are known or, alternatively, can be prepared with ease by processes known in principle from the literature.

Process (A) is characterized in that compounds of the formula (II) in which A, B, X, Y, Z, n and R³ have the abovementioned meanings are subjected to an intramolecular condensation reaction in the presence of bases.

Diluents which can be used in process (A) according to the invention are all customary inert organic solvents. The following can preferably be used: hydrocarbons such as toluene and xylene, furthermore ethers such as dibutyl ether, tetrahydrofuran, dioxane, glycol dimethyl ether and diglycol dimethyl ether, and furthermore polar solvents such as dimethyl sulphoxide, sulpholane, dimethylformamide and N-methyl-pyrrolidone.

Deprotonating agents which can be employed for carrying out the process (A) according to the invention are all customary proton acceptors. The following can preferably be used: alkali metal oxides, alkali metal hydroxides, alkali metal carbonates, alkaline earth metal oxides, alkaline earth metal hydroxides and alkaline earth metal carbonates such as sodium hydroxide, potassium hydroxide, magnesium oxide, calcium oxide, sodium carbonate, potassium carbonate and calcium carbonate, all of which can also be employed in the presence of phase-transfer catalysts such as, for example, triethylbenzylammonium chloride, tetrabutylammonium bromide, Adogen 464 (methyl tri-C₈ -C₁₀ -alkyl-ammonium chloride) or TDA 1 (tris-(methoxyethoxyethyl)-amine). Other substances which can be employed are earth metal amides and alkaline earth metal hydrides such as sodium amide, sodium hydride and calcium hydride, and furthermore also alkali metal alcoholates such as sodium methylate, sodium ethylate and potassium tert.-butylate.

When carrying out process (A) according to the invention, the reaction temperatures can be varied within a substantial range. In general, the process is carried out at temperatures between 0° C. and 250° C., preferably between 50° C. and 150° C.

Process (A) according to the invention is generally carried under atmospheric pressure.

When carrying out process (A) according to the invention, the reactants of the formulae (II) and the deprotonating bases are generally employed in approximately equimolar amounts. However, it is also possible to use one or the other component in a larger excess (up to 3 moles).

Process (Bα) is characterized in that compounds of the formula (Ia) are reacted with carboxylic acid halides of the formula (III).

When the acid halides are used, then the diluents which can be employed in process (Bα) according to the invention are all inert solvents which are inert towards these compounds. The following can preferably be used: hydrocarbons such as benzine, benzene, toluene, xylene and tetralin, furthermore halogenohydrocarbons such as methylene chloride, chloroform, carbon tetrachloride, chlorobenzene and o-dichlorobenzene, moreover ketones as acetone and methyl isopropyl ketone, furthermore ethers such as diethyl ether, tetrahydrofuran and dioxane, in addition dimethyl sulphoxide and sulpholane. If the stability of the acid halide to hydrolysis permits, the reaction can also be carried out in the presence of water.

If the corresponding carboxylic acid halides are used, then acid-binding agents which are suitable for the reaction by process (Bα) according to the invention are all customary acid acceptors. The following can preferably be used: tertiary amines such as triethylamine, pyridine, diazabicyclooctane (DABCO), diazabicycloundecene (DBU), diazabicyclononene (DBN), Hunig base and N,N-dimethyl-aniline, furthermore alkaline earth metal oxides such as magnesium oxide and calcium oxide, and in addition alkali metal carbonates and alkaline earth metal carbonates such as sodium carbonate, potassium carbonate and calcium carbonate.

When carrying out process (Bα) according to the invention, the reaction temperatures can also be varied within a substantial range when carboxylic acid halides are used. In general, the process is carried out at temperatures between -20° C. and +150° C., preferably between 0° C. and 100° C.

When carrying out the process (Bα) according to the invention, the starting substances of the formula (Ia) and the carboxylic acid halide of the formula (III) are generally used in approximately equivalent amounts. However, it is also possible to employ the carboxylic anhydride in a larger excess (up to 5 moles). Working-up is carried out by customary methods.

Process (Bβ) is characterized in that compounds of the formula (Ia) are reacted with carboxylic anhydrides of the formula (IV).

If, in process (Bβ) according to the invention, carboxylic anhydrides are used as reactant of the formula (IV), then the preferred diluents which can be used are those diluents which are also preferably suitable when halides are used. Apart from that, a carboxylic acid anhydride which is employed in excess can also act simultaneously as diluent.

The reaction temperatures in process (Bβ) according to the invention, too, can also be varied within a substantial range when carboxylic anhydrides are used. In general, the process is carried out at temperatures between -20° C. and +150° C., preferably between 0° C. and 100° C.

When carrying out the process according to the invention, the starting substances of the formula (Ia) and the carboxylic anhydride of the formula (IV) are generally used in approximately equivalent amounts. However, it is also possible to employ the carboxylic anhydride in a larger excess (up to 5 moles). Working-up is carried out by customary methods.

In general, a procedure is followed in which the diluent and carboxylic anhydride which is present in excess, as well as the carboxylic acid which is formed, are removed by distillation or by washing with an organic solvent or with water.

Process (C) is characterized in that compounds of the formula (Ia) are reacted with chloroformic esters of the formula (V).

If, in the reaction of process (C) according to the invention, the corresponding chloroformic esters are used, then the acid-binding agents which are suitable are all customary acid acceptors. The following can preferably be used: tertiary amines such as triethylamine, pyridine, DABCO, DBC, DBA, Hunig base and N,N-dimethylaniline, furthermore alkaline earth metal oxides such as magnesium oxide and calcium oxide, moreover alkali metal carbonates and alkaline earth metal carbonates such as sodium carbonate, potassium carbonate and calcium carbonate.

When the chloroformic esters are used, then suitable diluents are all solvents which are inert towards these compounds. The following can preferably be used: hydrocarbons such as benzine, benzene, toluene, xylene and tetralin, furthermore halogenohydrocarbons such as methylene chloride, chloroform, carbon tetrachloride, chlorobenzene and o-dichlorobenzene, in addition ketones such as acetone and methyl isopropyl ketone, furthermore ethers such as diethyl ether, tetrahydrofuran and dioxane, in addition carboxylic esters such as ethyl acetate and also strongly polar solvents such as dimethyl sulphoxide and sulpholane.

When the chloroformic esters are used as carboxylic acid derivatives of the formula (V), the reaction temperatures can be varied within a substantial range when carrying out process (C) according to the invention. If the process is carried out in the presence of a diluent and of an acid-binding agent, the reaction temperatures are generally between -20° C. and +100° C., preferably between 0° C. and 50° C.

Process (C) according to the invention is generally carried out under atmospheric pressure.

When carrying out process (C) according to the invention, the starting substances of the formula (Ia) and the corresponding chloroformic ester of the formula (V) are generally used in approximately equivalent amounts. However, it is also possible to employ one or the other component in a larger excess (up to 2 moles). Working-up is then carried out by customary methods. In general, a procedure is followed in which salts which have precipitated are removed and the reaction mixture which remains is concentrated by stripping off the diluent.

Process (D) is characterized in that compounds of the formula (Ia) are reacted with metal hydroxides (VI) or amines (VII).

Diluents which can be employed in the process according to the invention are preferably ethers such as tetrahydrofuran, dioxane or diethyl ether, or, alternatively, alcohols such as methanol, ethanol or isopropanol, and also water. In general, process (D) according to the invention is carried out under atmospheric pressure. In general, the reaction temperatures are between -20° C. and 100° C., preferably between 0° C. and 50° C.

When carrying out process (D) according to the invention, the starting substances of the formula (Ia) or (VI or (VII) are generally employed in approximately equimolar amounts. However, it is also possible to employ one or the other component in a larger excess (up to 2 moles). In general, a procedure is followed in which the reaction mixture is concentrated by stripping off the diluent.

PREPARATION EXAMPLES Example 1 ##STR25##

124.9 g (0.428 mol) of N-(2,4,6-trimethylphenylacetyl)-valine methyl ester are suspended in 430 ml of absolute toluene. 51.6 g of potassium tert.-butylate (95%) are added, and the mixture is then refluxed while TLC checks are carried out. The mixture is stirred into 500 ml of ice-water, the toluene is removed, and the aqueous phase is added dropwise at 0°-20° C. to 600 ml of 1N HCl. The precipitate is filtered off with suction, dried and recrystallized from chloroform/methyl tert.-butyl ether/n-hexane.

Yield: 51.5 g (=46.4% of theory) of the illustrated compound M.p. 126° C.

Example 2 ##STR26##

5.46 g (20 mmol) of 5-isobutyl-3-(2,4,6-trimethylphenyl)-pyrrolidine-2,4-dione are suspended in 70 ml of methyl tert.-butyl ether, and 3.4 ml (20 mmol) of Hunig base are added. 2.52 ml (20 mmol) of pivaloyl chloride in 5 ml of methyl tert.-butyl ether are added dropwise at 0°-10° C., and stirring is subsequently continued while carrying out thin-layer chromatography checks. The precipitate is filtered off with suction and rinsed, and the filtrate is evaporated on a rotary evaporator. Column chromatography on silica gel with cyclohexane/ethyl acetate 1:1 and crystallization from methyl tert.-butyl ether/n-hexane gave 2.14 g (29.9% of theory) of the illustrated compound of melting point 154° C.

Example 3 ##STR27##

4.19 g (20 mmol) of 5-isopropyl-3-(2,4,6-trimethylphenyl)-pyrrolidine-2,4-dione are suspended in 70 ml of methyl tert.-butyl ether, and 3.4 ml (20 mmol) of Hunig based are added. 1.92 ml (20 mmol) of ethyl chloroformate in 5 ml of methyl tert.-butyl ether are added dropwise at -70° C., and the mixture is allowed to come to room temperature. It is evaporated on a rotary evaporator, and the residue is then taken up in methylene chloride, and the mixture is washed with water, dried and again evaporated on a rotary evaporator. Crystallization from methyl tert.-butyl ether/n-hexane gives 2.6 g (=39.3% of theory) of the illustrated compound of melting point 190° C.

The following compounds of Tables 1, 2 and 3 can be prepared similarly to Examples 1, 2 and 3, respectively:

                  TABLE 1                                                          ______________________________________                                          ##STR28##                    (Ia)                                             Ex.-                                                                           No.  X      Y      Z.sub.n                                                                              A            B    Mp °C.                       ______________________________________                                          4   Cl     Cl     H     H            H                                         5   Cl     Cl     H     CH.sub.3     H                                         6   Cl     Cl     H     CH(CH.sub.3).sub.2                                                                          H                                         7   Cl     Cl     H     CH.sub.3     CH.sub.3                                  8   Cl     Cl     H     C.sub.2 H.sub.5                                                                             CH.sub.3                                  9   Cl     Cl     H     C.sub.2 H.sub.5                                                                             C.sub.2 H.sub.5                          10   Cl     Cl     H     C.sub.3 H.sub.7                                                                             CH.sub.3                                 11   Cl     Cl     H     i-C.sub.3 H.sub.7                                                                           CH.sub.3                                 12   Cl     Cl     H     (CH.sub.2).sub.2                                      13   Cl     Cl     H     (CH.sub.2).sub.4                                      14   Cl     Cl     H     (CH.sub.2).sub.5                                      15   Cl      Cl    H     C.sub.2 H.sub.5                                                                             H                                        16   Cl     Cl     H     C(CH.sub.3).sub.3                                                                           H                                        17   Cl     Cl     H     CH.sub.2 CH(CH.sub.3).sub.2                                                                 H                                        18   Cl     Cl     H                                                                                     ##STR29##   H                                        19   Cl     Cl     H     CH.sub.2CH.sub.2SCH.sub.3                                                                   H                                        20   Cl     Cl     H     CH.sub.2SCH.sub.3                                                                           H                                        21   Cl     Cl     H     CH.sub.2SCH.sub.2C.sub.6 H.sub.5                                                            H                                        22   Cl     Cl     H     CH.sub.2C.sub.6 H.sub.5                               23   Cl     Cl     H                                                                                     ##STR30##   H                                        24   Cl     Cl     H                                                                                     ##STR31##   H                                        25   Cl     H      6-Cl  H            H                                        26   Cl     H      6-Cl  CH.sub.3     H                                        27   Cl     H      6-Cl  CH(CH.sub.3).sub.2                                                                          H                                        28   CH.sub.3                                                                              CH.sub.3                                                                              H     H            H                                        29   CH.sub.3                                                                              CH.sub.3                                                                              H     CH.sub.3     H                                        30   CH.sub.3                                                                              CH.sub.3                                                                              H     CH(CH.sub.3).sub.2                                                                          H                                        31   CH.sub.3                                                                              CH.sub.3                                                                              6-CH.sub.3                                                                           H            H                                        32   CH.sub.3                                                                              CH.sub.3                                                                              6-CH.sub.3                                                                           CH.sub.3     H    >230                                33   CH.sub.3                                                                              CH.sub.3                                                                              6-CH.sub.3                                                                           CH.sub.3     CH.sub.3                                                                             223                                34   CH.sub.3                                                                              CH.sub.3                                                                              6-CH.sub.3                                                                           C.sub.2 H.sub.5                                                                             CH.sub.3                                 35   CH.sub.3                                                                              CH.sub.3                                                                              6-CH.sub.3                                                                           C.sub.2 H.sub.5                                                                             C.sub.2 H.sub.5                          36   CH.sub.3                                                                              CH.sub.3                                                                              6-CH.sub.3                                                                           C.sub.3 H.sub.7                                                                             CH.sub.3                                 37   CH.sub.3                                                                              CH.sub.3                                                                              6-CH.sub.3                                                                           i-C.sub.3 H.sub.7                                                                           CH.sub.3                                 38   CH.sub.3                                                                              CH.sub.3                                                                              6-CH.sub.3                                                                           (CH.sub.2).sub.2                                                                                225                                  39   CH.sub.3                                                                              CH.sub.3                                                                              6-CH.sub.3                                                                           (CH.sub.2).sub.4                                      40   CH.sub.3                                                                              CH.sub.3                                                                              6-CH.sub.3                                                                           (CH.sub.2).sub.5                                      41   CH.sub.3                                                                              CH.sub.3                                                                              6-CH.sub.3                                                                           C.sub.2 H.sub.5                                                                             H                                        42   CH.sub.3                                                                              CH.sub.3                                                                              6-CH.sub.3                                                                           C(CH.sub.3).sub.3                                                                           H                                        43   CH.sub.3                                                                              CH.sub.3                                                                              6-CH.sub.3                                                                           CH.sub.2 CH(CH.sub.3).sub.2                                                                 H    >220                                44   CH.sub.3                                                                              CH.sub.3                                                                              6-CH.sub.3                                                                            ##STR32##   H                                        45   CH.sub.3                                                                              CH.sub.3                                                                              6-CH.sub.3                                                                           CH.sub.2CH.sub.2SCH.sub.3                                                                   H                                        46   CH.sub.3                                                                              CH.sub.3                                                                              6-CH.sub.3                                                                           CH.sub.2SCH.sub.3                                                                           H                                        47   CH.sub.3                                                                              CH.sub.3                                                                              6-CH.sub.3                                                                           CH.sub.2SCH.sub.2C.sub.6 H.sub.5                                                            H                                        48   CH.sub.3                                                                              CH.sub.3                                                                              6-CH.sub.3                                                                           CH.sub.2C.sub.6 H.sub.5                               49   CH.sub.3                                                                              CH.sub.3                                                                              6-CH.sub.3                                                                            ##STR33##   H                                        50   CH.sub.3                                                                              CH.sub.3                                                                              6-CH.sub.3                                                                            ##STR34##   H                                        ______________________________________                                    

                                      TABLE 2                                      __________________________________________________________________________      ##STR35##                              (Ib)                                   Ex.-No.                                                                             X  Y  Z.sub.n                                                                            A       B  R.sup.1     Mp °C.                            __________________________________________________________________________     51   Cl Cl H   H       H  CH.sub.3                                             52   Cl Cl H   CH.sub.3                                                                               H  CH.sub.3                                             53   Cl Cl H   CH.sub.3                                                                               H  C(CH.sub.3).sub.3                                    54   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                          CH.sub.3                                             55   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                          (CH.sub.3).sub.2 CH                                  56   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                          (CH.sub.3).sub.3 C                                   57   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                          CH.sub.3 (CH.sub.2).sub.3                            58   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR36##                                           59   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                          (CH.sub.3).sub.3 CCH.sub.2                           60   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR37##                                           61   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                          CH.sub.2 CH(CH.sub.2).sub.8                          62   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR38##                                           63   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR39##                                           64   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR40##                                           65   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR41##                                           66   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR42##                                           67   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR43##                                           68   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                          H.sub.3 CSCH.sub.2                                   69   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR44##                                           70   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR45##                                           71   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR46##                                           72   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR47##                                           73   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR48##                                           74   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR49##                                           75   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR50##                                           76   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR51##                                           77   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR52##                                           78   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR53##                                           79   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR54##                                           80   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR55##                                           81   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR56##                                           82   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR57##                                           83   Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR58##                                           84   Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          CH.sub.3                                             85   Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          (CH.sub.3).sub.2 CH                                  86   Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          (CH.sub.3).sub.3 C                                   87   Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          CH.sub.3 (CH.sub.2).sub.3                            88   Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR59##                                           89   Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          (CH.sub.3).sub.3 CCH.sub.2                           90   Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR60##                                           91   Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          CH.sub.2 CH(CH.sub.2).sub.8                          92   Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR61##                                           93   Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR62##                                           94   Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR63##                                           95   Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR64##                                           96   Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR65##                                           97   Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR66##                                           98   Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          H.sub.3 CSCH.sub.2                                   99   Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR67##                                           100  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR68##                                           101  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR69##                                           102  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR70##                                           103  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR71##                                           104  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR72##                                           105  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR73##                                           106  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR74##                                           107  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR75##                                           108  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR76##                                           109  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR77##                                           110  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR78##                                           111  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR79##                                           112  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR80##                                           113  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR81##                                           114  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   CH.sub.3                                             115  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   (CH.sub.3).sub.2 CH                                  116  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   (CH.sub.3).sub.3 C                                   117  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   CH.sub.3 (CH.sub.2).sub.3                            118  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR82##                                           119  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   (CH.sub.3).sub.3 CCH.sub.2                           120  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR83##                                           121  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   CH.sub.2 CH(CH.sub.2).sub.8                          122  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR84##                                           123  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR85##                                           124  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR86##                                           125  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR87##                                           126  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR88##                                           127  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR89##                                           128  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   H.sub.3 CSCH.sub.2                                   129  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR90##                                           130  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR91##                                           131  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR92##                                           132  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR93##                                           133  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR94##                                           134  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR95##                                           135  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR96##                                           136  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR97##                                           137  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR98##                                           138  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR99##                                           139  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR100##                                          140  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR101##                                          141  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR102##                                          142  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR103##                                          143  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR104##                                          144  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          CH.sub.3                                             145  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          (CH.sub.3).sub.2 CH                                  146  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          (CH.sub.3).sub.3 C                                   147  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          CH.sub.3 (CH.sub.2 ).sub.3                           148  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR105##                                          149  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          (CH.sub.3).sub.3 CCH.sub.2                           150  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR106##                                          151  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          CH.sub.2 CH(CH.sub.2).sub.8                          152  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR107##                                          153  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR108##                                          154  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR109##                                          155  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR110##                                          156  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR111##                                          157  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR112##                                          158  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          H.sub.3 CSCH.sub.2                                   159  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR113##                                          160  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR114##                                          161  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR115##                                          162  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR116##                                          163  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR117##                                          164  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR118##                                          165  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR119##                                          166  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR120##                                          167  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR121##                                          168  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR122##                                          169  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR123##                                          170  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR124##                                          171  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR125##                                          172  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR126##                                          173  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR127##                                          174  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          CH.sub.3                                             175  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          (CH.sub.3).sub.2 CH                                  176  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          (CH.sub.3).sub.3 C                                   177  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          CH.sub.3 (CH.sub.2).sub.3                            178  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR128##                                          179  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          (CH.sub.3).sub.3 CCH.sub.2                           180  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR129##                                          181  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          CH.sub.2 CH(CH.sub.2).sub.8                          182  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR130##                                          183  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR131##                                          184  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR132##                                          185  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR133##                                          186  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR134##                                          187  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR135##                                          188  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          H.sub.3 CSCH.sub.2                                   189  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR136##                                          190  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR137##                                          191  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR138##                                          192  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR139##                                          193  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR140##                                          194  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR141##                                          195  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR142##                                          196  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR143##                                          197  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR144##                                          198  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR145##                                          199  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR146##                                          200  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR147##                                          201  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR148##                                          202  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR149##                                          203  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR150##                                          204  Cl Cl H   (CH.sub.2).sub.4                                                                          CH.sub.3                                             205  Cl Cl H   (CH.sub.2).sub.4                                                                          (CH.sub.3).sub.2 CH                                  206  Cl Cl H   (CH.sub.2).sub.4                                                                          (CH.sub.3).sub.3 C                                   207  Cl Cl H   (CH.sub.2).sub.4                                                                          CH.sub.3 (CH.sub.2).sub.3                            208  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR151##                                          209  Cl Cl H   (CH.sub.2).sub.4                                                                          (CH.sub.3).sub.3 CCH.sub.2                           210  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR152##                                          211  Cl Cl H   (CH.sub.2).sub.4                                                                          CH.sub.2 CH(CH.sub.2).sub.8                          212  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR153##                                          213  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR154##                                          214  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR155##                                          215  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR156##                                          216  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR157##                                          217  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR158##                                          218  Cl Cl H   (CH.sub.2).sub.4                                                                          H.sub.3 CSCH.sub.2                                   219  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR159##                                          220  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR160##                                          221  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR161##                                          222  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR162##                                          223  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR163##                                          224  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR164##                                          225  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR165##                                          226  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR166##                                          227  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR167##                                          228  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR168##                                          229  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR169##                                          230  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR170##                                          231  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR171##                                          232  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR172##                                          233  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR173##                                          234  Cl Cl H   (CH.sub.2).sub.5                                                                          CH.sub.3                                             235  Cl Cl H   (CH.sub.2).sub.5                                                                          (CH.sub.3).sub.2 CH                                  236  Cl Cl H   (CH.sub.2).sub.5                                                                          (CH.sub.3).sub.3 C                                   237  Cl Cl H   (CH.sub.2).sub.5                                                                          CH.sub.3 (CH.sub.2).sub.3                            238  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR174##                                          239  Cl Cl H   (CH.sub.2).sub.5                                                                          (CH.sub.3).sub.3 CCH.sub.2                           240  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR175##                                          241  Cl Cl H   (CH.sub.2).sub.5                                                                          CH.sub.2 CH(CH.sub.2).sub.8                          242  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR176##                                          243  Cl Cl H   (CH.sub.2).sub. 5                                                                          ##STR177##                                          244  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR178##                                          245  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR179##                                          246  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR180##                                          247  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR181##                                          248  Cl Cl H   (CH.sub.2).sub.5                                                                          H.sub.3 CSCH.sub.2                                   249  Cl Cl H   (C.sub.2 H.sub.2).sub.5                                                                    ##STR182##                                          250  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR183##                                          251  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR184##                                          252  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR185##                                          253  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR186##                                          254  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR187##                                          255  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR188##                                          256  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR189##                                          257  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR190##                                          258  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR191##                                          259  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR192##                                          260  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR193##                                          261  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR194##                                          262  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR195##                                          263  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR196##                                          264  Cl H  6-Cl                                                                               H       H  CH.sub.3                                             265  Cl H  6-Cl                                                                               H       H  C(CH.sub.3).sub.3                                    266  Cl H  6-Cl                                                                               CH.sub.3                                                                               H  CH.sub.3                                             267  Cl H  6-Cl                                                                               CH.sub.3                                                                               H  C(CH.sub.3).sub.3                                    268  CH.sub.3                                                                          CH.sub.3                                                                          H   H       H  CH.sub.3                                             269  CH.sub.3                                                                          CH.sub.3                                                                          H   H       H  C(CH.sub.3).sub.3                                    270  CH.sub.3                                                                          CH.sub.3                                                                          H   CH.sub.3                                                                               H  CH.sub.3                                             271  CH.sub.3                                                                          CH.sub.3                                                                          H   CH.sub.3                                                                               H  C(CH.sub.3).sub.3                                    272  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         H       H  CH.sub.3                                             273  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         H       H  CH(CH.sub.3).sub.2                                   274  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         H       H  C(CH.sub.3).sub.3                                    275  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         H       H  C(CH.sub.3).sub.2 CH.sub.2 Cl                        276  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         H       H  C(CH.sub.3).sub.2 CH.sub.2 OCH.sub.3                 277  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         H       H  CH.sub.2 SCH.sub.3                                   278  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         H       H                                                                                  ##STR197##                                          279  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         H       H                                                                                  ##STR198##                                          280  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         H       H                                                                                  ##STR199##                                          281  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               H  CH.sub.3    132                                      282  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               H  CH(CH.sub.3).sub.2                                   283  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               H  C(CH.sub.3).sub.3                                                                          152                                      284  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub. 3                                                                        CH.sub.3                                                                               H  C(CH.sub.3).sub.2 CH.sub.2 Cl                        285  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               H  C(CH.sub.3).sub.2 CH.sub.2 OCH.sub.3                 286  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               H  CH.sub.2 SCH.sub.3                                   287  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               H                                                                                  ##STR200##                                          288  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               H                                                                                  ##STR201##                                          289  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               H                                                                                  ##STR202##                                          290  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH(CH.sub.3).sub.2                                                                     H  CH.sub.3    188                                      291  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH(CH.sub.3).sub.2                                                                     H  CH(CH.sub.3).sub.2                                   292  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH(CH.sub.3).sub.2                                                                     H  C(CH.sub.3).sub.3                                                                          213                                      293  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH(CH.sub.3).sub.2                                                                     H  C(CH.sub.3).sub.2 CH.sub.2 Cl                        294  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH(CH.sub.3).sub.2                                                                     H  C(CH.sub.3).sub.2 CH.sub. 2 OCH.sub.3                295  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH(CH.sub.3).sub.2                                                                     H  CH.sub.2 SCH.sub.3                                   296  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH(CH.sub.3).sub.2                                                                     H                                                                                  ##STR203##                                          297  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH(CH.sub.3).sub.2                                                                     H                                                                                  ##STR204##                                          298  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH(CH.sub.3).sub.2                                                                     H                                                                                  ##STR205##                                          299  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.2 CH(CH.sub.3).sub.2                                                            H  CH.sub.3    169                                      300  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.2 CH(CH.sub.3).sub.2                                                            H  C.sub.2 H.sub.5                                      301  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.2 CH(CH.sub.3).sub.2                                                            H  CH(CH.sub.3).sub.2                                   302  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.2 CH(CH.sub.3).sub.2                                                            H  C(CH.sub.3).sub.2 CH.sub.2 Cl                        303  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.2 CH(CH.sub.3).sub.2                                                            H  C(CH.sub.3).sub.2 CH.sub.2 OCH.sub.3                 304  CH.sub.3                                                                          CH.sub. 3                                                                         6-CH.sub.3                                                                         CH.sub.2 CH(CH.sub.3).sub.2                                                            H  CH.sub.2 SCH.sub.3                                   305  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.2 CH(CH.sub.3).sub.2                                                            H                                                                                  ##STR206##                                          306  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.2 CH(CH.sub.3).sub.2                                                            H                                                                                  ##STR207##                                          307  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.2 CH(CH.sub.3).sub.2                                                            H                                                                                  ##STR208##                                          308  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                          ##STR209##                                                                            H  CH.sub.3    184                                      309  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                          ##STR210##                                                                            H  CH(CH.sub.3).sub.2                                   310  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                          ##STR211##                                                                            H  C(CH.sub.3).sub.3                                    311  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                          ##STR212##                                                                            H  C(CH.sub.3).sub.2 CH.sub.2 Cl                        312  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                          ##STR213##                                                                            H  C(CH.sub.3).sub.2 CH.sub.2 OCH.sub.3                 313  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                          ##STR214##                                                                            H  CH.sub.2 SCH.sub.3                                   314  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                          ##STR215##                                                                            H                                                                                  ##STR216##                                          315  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                          ##STR217##                                                                            H                                                                                  ##STR218##                                          316  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                          ##STR219##                                                                            H                                                                                  ##STR220##                                          317  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.2 SCH.sub.3                                                             H  CH.sub.3                                             318  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.2 SCH.sub.3                                                             H  CH(CH.sub.3).sub.2                                   319  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.2 SCH.sub.3                                                             H  C(CH.sub.3).sub. 2                                   320  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.2 SCH.sub.3                                                             H  C(CH.sub.3).sub.2 CH.sub.2 Cl                        321  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.2 SCH.sub.3                                                             H  C(CH.sub.3).sub.2 CH.sub.2 OCH.sub.3                 322  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.2 SCH.sub.3                                                             H  CH.sub.2 SCH.sub.3                                   323  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.2 SCH.sub.3                                                             H                                                                                  ##STR221##                                          324  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.2 SCH.sub.3                                                             H                                                                                  ##STR222##                                          325  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.2 SCH.sub.3                                                             H                                                                                  ##STR223##                                          326  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.2                                                                          CH.sub.3     94                                      327  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.2                                                                          C(CH.sub.3).sub.3                                                                           95                                       328 CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                          CH.sub.3    216                                      329  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                          (CH.sub.3).sub.2 CH                                  330  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                          (CH.sub.3).sub.3 C                                                                         >230                                     331  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                          CH.sub.3 (CH.sub.2).sub.3                            332  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR224## 183                                      333  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                          (CH.sub.3).sub.3 CCH.sub.2                                                                 175                                      334  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR225##                                          335  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                          CH.sub.2 CH(CH.sub.2).sub.8                          336  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR226##                                          337  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR227##                                          338  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR228##                                          339  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR229##                                          340  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR230##                                          341  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR231##                                          342  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                          H.sub.3 CSCH.sub.2                                   343  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR232##                                          344  CH.sub.3                                                                          CH.sub. 3                                                                         6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR233##                                          345  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR234##                                          346  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR235##                                          347  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR236##                                          348  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR237##                                          349  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR238##                                          350  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR239##                                          351  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR240##                                          352  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub. 3                                                                          ##STR241##                                          353  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR242##                                          354  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR243##                                          355  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR244##                                          356  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR245##                                          357  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR246##                                          358  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          CH.sub.3                                             359  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          (CH.sub.3).sub.2 CH                                  360  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          (CH.sub.3).sub.3 C                                   361  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          CH.sub.3 (CH.sub.2).sub.3                            362  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR247##                                          363  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          (CH.sub.3).sub.3 CCH.sub.2                           364  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR248##                                          365  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          CH.sub.2 CH(CH.sub.2).sub.8                          366  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR249##                                          367  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR250##                                          368  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR251##                                          369  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR252##                                          370  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR253##                                          371  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR254##                                          372  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          H.sub.3 CSCH.sub.2                                   373  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR255##                                          374  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR256##                                          375  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR257##                                          376  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub. 3                                                                        C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR258##                                          377  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR259##                                          378  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR260##                                          379  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR261##                                          380  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR262##                                          381  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR263##                                          382  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR264##                                          383  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR265##                                          384  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR266##                                          385  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR267##                                          386  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR268##                                          387  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR269##                                          388  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   CH.sub.3                                             389  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   (CH.sub.3).sub.2 CH                                  390  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   (CH.sub.3).sub.3 C                                   391  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   CH.sub.3 (CH.sub.2).sub.3                            392  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR270##                                          393  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub. 3                                                                        C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   (CH.sub.3).sub.3 CCH.sub.2                           394  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR271##                                          395  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   CH.sub.2 CH(CH.sub.2).sub.8                          396  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR272##                                          397  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR273##                                          398  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR274##                                          399  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR275##                                          400  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR276##                                          401  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR277##                                          402  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   H.sub.3 CSCH.sub.2                                   403  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR278##                                          404  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR279##                                          405  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR280##                                          406  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub. 3                                                                        C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR281##                                          407  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR282##                                          408  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR283##                                          409  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR284##                                          410  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR285##                                          411  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR286##                                          412  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR287##                                          413  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR288##                                          414  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR289##                                          415  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR290##                                          416  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR291##                                          417  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR292##                                          418  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          CH.sub.3                                             419  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          (CH.sub.3).sub.2 CH                                  420  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          (CH.sub.3).sub.3 C                                   421  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          CH.sub.3 (CH.sub.2).sub.3                            422  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR293##                                          423  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          (CH.sub.3).sub.3 CCH.sub.2                           424  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR294##                                          425  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          CH.sub.2 CH(CH.sub.2).sub.8                          426  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR295##                                          427  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR296##                                          428  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR297##                                          429  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR298##                                          430  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR299##                                          431  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR300##                                          432  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          H.sub.3 CSCH.sub.2                                   433  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR301##                                          434  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR302##                                          435  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR303##                                          436  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR304##                                          437  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR305##                                          438  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR306##                                          439  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR307##                                          440  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR308##                                          441  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR309##                                          442  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR310##                                          443  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR311##                                          444  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR312##                                          445  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR313##                                          446  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR314##                                          447  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR315##                                          448  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          CH.sub.3                                             449  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          (CH.sub.3).sub.2 CH                                  450  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          (CH.sub.3).sub.3 C                                   451  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          CH.sub.3 (CH.sub.2).sub.3                            452  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR316##                                          453  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          (CH.sub.3).sub.3 CCH.sub.2                           454  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR317##                                          455  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          CH.sub.2 CH(CH.sub.2).sub.8                          456  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR318##                                          457  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR319##                                          458  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR320##                                          459  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR321##                                          460  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR322##                                          461  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR323##                                          462  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          H.sub.3 CSCH.sub.2                                   463  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR324##                                          464  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR325##                                          465  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR326##                                          466  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR327##                                          467  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR328##                                          468  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      H                                                                                  ##STR329##                                          469  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      H                                                                                  ##STR330##                                          470  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      H                                                                                  ##STR331##                                          471  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      H                                                                                  ##STR332##                                          472  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      H                                                                                  ##STR333##                                          473  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      H                                                                                  ##STR334##                                          474  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      H                                                                                  ##STR335##                                          475  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      H                                                                                  ##STR336##                                          476  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      H                                                                                  ##STR337##                                          477  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      H                                                                                  ##STR338##                                          478  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                          CH.sub.3                                             479  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                          (CH.sub.3).sub.2 CH                                  480  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                          (CH.sub.3).sub.3 C                                   481  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                          CH.sub.3 (CH.sub.2).sub.3                            482  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR339##                                          483  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                          (CH.sub.3).sub.3 CCH.sub.2                           484  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR340##                                          485  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                          CH.sub.2 CH(CH.sub.2).sub.8                          486  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR341##                                          487  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR342##                                          488  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR343##                                          489  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR344##                                          490  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR345##                                          491  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR346##                                          492  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                          H.sub.3 CSCH.sub.2                                   493  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR347##                                          494  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR348##                                          495  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR349##                                          496  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR350##                                          497  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR351##                                          498  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR352##                                          499  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR353##                                          500  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR354##                                          501  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR355##                                          502  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR356##                                          503  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR357##                                          504  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR358##                                          505  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR359##                                          506  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR360##                                          507  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR361##                                          508  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                          CH.sub.3                                             509  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                          (CH.sub.3).sub.2 CH                                  510  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                          (CH.sub.3).sub.3 C                                   511  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                          CH.sub.3 (CH.sub.2).sub.3                            512  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR362##                                          513  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                          (CH.sub.3).sub.3 CCH.sub.2                           514  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR363##                                          515  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                          CH.sub.2 CH(CH.sub.2).sub.8                          516  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR364##                                          517  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR365##                                          518  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR366##                                          519  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR367##                                          520  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR368##                                          521  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR369##                                          522  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                          H.sub.3 CSCH.sub.2                                   523  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR370##                                          524  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR371##                                          525  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR372##                                          526  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR373##                                          527  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR374##                                          528  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR375##                                          529  CH.sub. 3                                                                         CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR376##                                          530  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR377##                                          531  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR378##                                          532  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR379##                                          533  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR380##                                          534  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR381##                                          535  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR382##                                          536  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR383##                                          537  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR384##                                          __________________________________________________________________________

                                      TABLE 3                                      __________________________________________________________________________      ##STR385##                                (Ic)                                Ex.-No.                                                                             X  Y  Z.sub.n                                                                            A       B  R.sup.2        Mp °C.                         __________________________________________________________________________     538  Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                          CH.sub.3                                             539  Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                          C.sub.2 H.sub.5                                      540  Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                          (CH.sub.3).sub.2 CH                                  541  Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                          (CH.sub.3).sub.2 CHCH.sub.2                          542  Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR386##                                          543  Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                          (CH.sub.3).sub.3 C                                   544  Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                          (CH.sub.3).sub.3 CCH.sub.2                           545  Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR387##                                          546  Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR388##                                          547  Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR389##                                          548  Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR390##                                          549  Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR391##                                          550  Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR392##                                          551  Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR393##                                          552  Cl Cl H   CH.sub.3                                                                               CH.sub.3                                                                           ##STR394##                                          553  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          CH.sub.3                                             554  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          C.sub.2 H.sub.5                                      555  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          (CH.sub.3 ).sub.2 CH                                 556  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          (CH.sub.3).sub.2 CHCH.sub.2                          557  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR395##                                          558  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          (CH.sub.3).sub.3 C                                   559  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          (CH.sub.3).sub.3 CCH.sub.2                           560  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR396##                                          561  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR397##                                          562  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR398##                                          563  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR399##                                          564  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR400##                                          565  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR401##                                          566  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR402##                                          567  Cl Cl H   C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR403##                                          568  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   CH.sub.3                                             569  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   C.sub.2 H.sub.5                                      570  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   (CH.sub.3).sub.2 CH                                  571  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   (CH.sub.3).sub.2 CHCH.sub.2                          572  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR404##                                          573  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   (CH.sub.3).sub.3 C                                   574  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   (CH.sub.3).sub.3 CCH.sub.2                           575  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR405##                                          576  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR406##                                          577  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR407##                                          578  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR408##                                          579  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR409##                                          580  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR410##                                          581  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR411##                                          582  Cl Cl H   C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR412##                                          583  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub. 3                                                                         CH.sub.3                                             584  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          C.sub.2 H.sub.5                                      585  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          (CH.sub.3).sub.2 CH                                  586  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          (CH.sub.3).sub.2 CHCH.sub.2                          587  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR413##                                          588  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          (CH.sub.3).sub.3 C                                   589  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          (CH.sub.3).sub.3 CCH.sub.2                           590  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR414##                                          591  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR415##                                          592  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR416##                                          593  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR417##                                          594  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR418##                                          595  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR419##                                          596  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR420##                                          597  Cl Cl H   C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR421##                                          598  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          CH.sub.3                                             699  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          C.sub.2 H.sub.5                                      600  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          (CH.sub.3).sub.2 CH                                  601  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          (CH.sub.3).sub.2 CHCH.sub.2                          602  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR422##                                          603  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          (CH.sub.3).sub.3 C                                   604  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub. 3                                                                         (CH.sub.3).sub.3 CCH.sub.2                           605  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR423##                                          606  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR424##                                          607  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR425##                                          608  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR426##                                          609  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR427##                                          610  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR428##                                          611  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR429##                                          612  Cl Cl H   i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR430##                                          613  Cl Cl H    (CH.sub.2).sub.4                                                                         CH.sub.3                                             614  Cl Cl H   (CH.sub.2).sub.4                                                                          C.sub.2 H.sub.5                                      615  Cl Cl H   (CH.sub.2).sub.4                                                                          (CH.sub.3).sub.2 CH                                  616  Cl Cl H   (CH.sub.2).sub.4                                                                          (CH.sub.3).sub.2 CHCH.sub.2                          617  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR431##                                          618  Cl Cl H   (CH.sub.2).sub.4                                                                          (CH.sub.3).sub.3 C                                   619  Cl Cl H   (CH.sub.2).sub.4                                                                          (CH.sub.3).sub.3 CCH.sub.2                           620  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR432##                                          621  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR433##                                          622  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR434##                                          623  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR435##                                          624  Cl Cl H   (CH.sub. 2).sub.4                                                                          ##STR436##                                          625  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR437##                                          626  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR438##                                          627  Cl Cl H   (CH.sub.2).sub.4                                                                           ##STR439##                                          628  Cl Cl H   (CH.sub.2).sub.5                                                                          CH.sub.3                                             629  Cl Cl H   (CH.sub.2).sub.5                                                                          C.sub.2 H.sub.5                                      630  Cl Cl H   (CH.sub.2).sub.5                                                                          (CH.sub.3).sub.2 CH                                  631  Cl Cl H   (CH.sub.2).sub.5                                                                          (CH.sub.3).sub.2 CHCH.sub.2                          632  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR440##                                          633  Cl Cl H   (CH.sub.2).sub.5                                                                          (CH.sub.3).sub.3 C                                   634  Cl Cl H   (CH.sub.2).sub.5                                                                          (CH.sub.3).sub.3 CCH.sub.2                           635  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR441##                                          636  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR442##                                          637  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR443##                                          638  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR444##                                          639  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR445##                                          640  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR446##                                          641  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR447##                                          642  Cl Cl H   (CH.sub.2).sub.5                                                                           ##STR448##                                          643  Cl Cl 6-Cl                                                                               H       H  CH.sub.3                                             644  Cl Cl 6-Cl                                                                               CH.sub.3                                                                               H  CH.sub.3                                             645  Cl Cl 6-Cl                                                                               CH.sub.3                                                                               H  CH(CH.sub.3).sub.2                                   646  Cl Cl 6-Cl                                                                               CH.sub.3                                                                               H  CH.sub.2 C(CH.sub.3).sub.3                           647  CH.sub.3                                                                          CH.sub.3                                                                          H   H       H  CH.sub.3                                             648  CH.sub.3                                                                          CH.sub.3                                                                          H   CH.sub.3                                                                               H  CH.sub.3                                             649  CH.sub.3                                                                          CH.sub.3                                                                          H   CH.sub.3                                                                               H  CH(CH.sub.3).sub.2                                   650  CH.sub.3                                                                          CH.sub.3                                                                          H   CH.sub.3                                                                               H  CH.sub.2 C(CH.sub.3).sub.3                           651  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         H       H  CH.sub.3                                             652  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         H       H  C.sub.2 H.sub.5                                      653  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         H       H  CH(CH.sub.3).sub.2                                   654  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         H       H                                                                                  ##STR449##                                          655  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         H       H  CH.sub.2C(CH.sub.3).sub.3                            656  CH.sub.3                                                                          CH 6-CH.sub.3                                                                         H       H  (CH.sub.2).sub.2 OC.sub.2 H.sub.5                    657  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         H       H                                                                                  ##STR450##                                          658  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         H       H                                                                                  ##STR451##                                          659  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               H  CH.sub.3                                             660  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               H  C.sub.2 H.sub.5                                      661  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               H  CH(CH.sub.3).sub.2                                   662  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               H                                                                                  ##STR452##                                          663  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               H  CH.sub.2 C(CH.sub.3).sub.3                           664  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               H  (CH.sub.2).sub.2 OC.sub.2 H.sub.5                    665  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               H                                                                                  ##STR453##                                          666  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               H                                                                                  ##STR454##                                          667  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH(CH.sub.3).sub.2                                                                     H  CH.sub.3                                             668  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH(CH.sub.3).sub.2                                                                     H  C.sub.2 H.sub.5                                      669  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH(CH.sub.3).sub.2                                                                     H  CH(CH.sub.3).sub.2                                   670  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH(CH.sub.3).sub.2                                                                     H                                                                                  ##STR455##                                          671  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH(CH.sub.3).sub.2                                                                     H  CH.sub.2 C(CH.sub.3).sub.3                           672  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH(CH.sub.3).sub.2                                                                     H  (CH.sub.2).sub.2 OC.sub.2 H.sub.5                    673  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH(CH.sub.3).sub.2                                                                     H                                                                                  ##STR456##                                          674  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH(CH).sub.2                                                                           H                                                                                  ##STR457##                                          675  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.2 CH(CH.sub.3).sub.2                                                            H  CH.sub.3                                             676  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.2 CH(CH.sub.3).sub.2                                                            H  C.sub.2 H.sub.5                                      677  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.2 CH(CH.sub.3).sub.2                                                            H  CH(CH.sub.3).sub.2                                   678  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.2 CH(CH.sub.3).sub.2                                                            H  CH.sub.2 CH(CH.sub.3).sub.2                          679  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.2 CH(CH.sub.3).sub.2                                                            H                                                                                  ##STR458##                                          680  CH.sub. 3                                                                         CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.2 CH(CH.sub.3).sub.2                                                            H  CH.sub.2 C(CH.sub.3).sub.3                           681  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.2 CH(CH.sub.3).sub.2                                                            H  (CH.sub.2).sub.2 OC.sub.2 H.sub.5                    682  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.2 CH(CH.sub.3).sub.2                                                            H                                                                                  ##STR459##                                          683  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.2 CH(CH.sub.3).sub.2                                                            H                                                                                  ##STR460##                                          684  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.2SCH.sub.3                                                              H  CH.sub.3                                             685  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.2SCH.sub.3                                                              H  C.sub.2 H.sub.5                                      686  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.2SCH.sub.3                                                              H  CH(CH.sub.3).sub.2                                   687  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.2SCH.sub.3                                                              H                                                                                  ##STR461##                                          688  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.2SCH.sub.3                                                              H  CH.sub.2 C(CH.sub.3).sub.3                           689  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.2SCH.sub.3                                                              H  (CH.sub.2).sub. 2 OC.sub.2 H.sub.5                   690  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.2SCH.sub.3                                                              H                                                                                  ##STR462##                                          691  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.2SCH.sub.3                                                              H                                                                                  ##STR463##                                          692  CH.sub.3                                                                          H  6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                          CH.sub.3                                             693  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                          C.sub.2 H.sub.5                                                                               140                                   694  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                          (CH.sub.3).sub.2 CH                                                                           161-163                               695  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                          (CH.sub.3).sub.2 CHCH.sub.2                          696  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR464##     98                                   697  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                          (CH.sub.3).sub.3 C                                   698  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                          (CH.sub.3).sub.3 CCH.sub.2                           699  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR465##                                          700  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR466##                                          701  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR467##                                          702  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR468##                                          703  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR469##                                          704  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR470##                                          705  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR471##                                          706  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         CH.sub.3                                                                               CH.sub.3                                                                           ##STR472##                                          707  CH.sub.3                                                                          H  6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          CH.sub.3                                             708  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          C.sub.2 H.sub.5                                      709  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          (CH.sub.3).sub.2 CH                                  710  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          (CH.sub.3).sub.2 CHCH.sub.2                          711  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR473##                                          712  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          (CH.sub.3).sub.3 C                                   713  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                          (CH.sub.3).sub.3 CCH.sub.2                           714  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR474##                                          715  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR475##                                          716  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR476##                                          717  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR477##                                          718  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR478##                                          719  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR479##                                          720  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR480##                                          721  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        CH.sub.3                                                                           ##STR481##                                          722  CH.sub.3                                                                          H  6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   CH.sub.3                                             723  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   C.sub.2 H.sub.5                                      724  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   (CH.sub.3).sub.2 CH                                  725  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   (CH.sub.3).sub.2 CHCH.sub.2                          726  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub. 5                                                                       C.sub.2 H.sub.5                                                                    ##STR482##                                          727  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   (CH.sub.3).sub.3 C                                   728  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                   (CH.sub.3).sub.3 CCH.sub.2                           729  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR483##                                          730  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR484##                                          731  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR485##                                          732  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR486##                                          733  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR487##                                          734  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR488##                                          735  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR489##                                          736  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.2 H.sub.5                                                                        C.sub.2 H.sub.5                                                                    ##STR490##                                          737  CH.sub.3                                                                          H  6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          CH.sub.3                                             738  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          C.sub.2 H.sub.5                                      739  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          (CH.sub.3).sub.2 CH                                  740  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          (CH.sub.3).sub.2 CHCH.sub.2                          741  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR491##                                          742  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          (CH.sub.3).sub.3 C                                   743  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                          (CH.sub.3).sub.3 CCH.sub.2                           744  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR492##                                          745  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        C.sub.2 H.sub.5                                                                    ##STR493##                                          746  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR494##                                          747  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR495##                                          748  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR496##                                          749  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR497##                                          750  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR498##                                          751  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         C.sub.3 H.sub.7                                                                        CH.sub.3                                                                           ##STR499##                                          752  CH.sub.3                                                                          H  6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          CH.sub.3                                             753  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          C.sub.2 H.sub.5                                      754  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          (CH.sub.3).sub.2 CH                                  755  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          (CH.sub.3).sub.2 CHCH.sub.2                          756  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR500##                                          757  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          (CH.sub.3).sub.3 C                                   758  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                          (CH.sub.3).sub.3 CCH.sub.2                           759  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR501##                                          760  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR502##                                          761  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR503##                                          762  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR504##                                          763  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR505##                                          764  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR506##                                          765  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR507##                                          766  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         i-C.sub.3 H.sub.7                                                                      CH.sub.3                                                                           ##STR508##                                          767  CH.sub.3                                                                          H  6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                          CH.sub.3                                             768  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub. 3                                                                        (CH.sub.2).sub.4                                                                          C.sub.2 H.sub.5                                      769  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                          (CH.sub.3).sub.2 CH                                  770  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                          (CH.sub.3).sub.2 CHCH.sub.2                          771  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR509##                                          772  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                          (CH.sub.3).sub.3 C                                   773  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                          (CH.sub.3).sub.3 CCH.sub.2                           774  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR510##                                          775  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR511##                                          776  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR512##                                          777  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR513##                                          778  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR514##                                          779  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR515##                                          780  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR516##                                          781  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.4                                                                           ##STR517##                                          782  CH.sub.3                                                                          H  6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                          CH.sub.3                                             783  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                          C.sub.2 H.sub.5                                      784  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                          (CH.sub.3).sub.2 CH                                  785  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                          (CH.sub.3).sub.2 CHCH.sub.2                          786  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR518##                                          787  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                          (CH.sub.3).sub.3 C                                   788  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                          (CH.sub.3).sub.3 CCH.sub.2                           789  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR519##                                          790  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR520##                                          791  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR521##                                          792  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR522##                                          793  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR523##                                          794  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR524##                                          795  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR525##                                          796  CH.sub.3                                                                          CH.sub.3                                                                          6-CH.sub.3                                                                         (CH.sub.2).sub.5                                                                           ##STR526##                                          __________________________________________________________________________

Example (II1) ##STR527##

138 g (0.5 mol) of N-(2,4,6-trimethylphenyl-acetyl)-valine are suspended in 500 ml of methanol, 73 ml (0.55 mol) of dimethoxypropane are added, 4.75 g (25 mmol) of p-toluenesulphonic acid monohydrate are added, and the mixture is then refluxed while thin-layer chromatography (TLC) checks are carried out.

After the solvent has been removed by evaporation on the rotary evaporator, the residue is taken up in methylene chloride, and the mixture is washed with sodium hydrogen carbonate solution, dried and evaporated on a rotary evaporator.

Yield: 127.6 g (=88% of theory).

Example (IIa1) ##STR528##

10 g (0.25 mol) of NaOH tablets are added to 58.8 g (0.5 mol) of L-valine in 720 ml of water. Thereafter, 30 g (0.75 mol) of NaOH tablets in 150 ml of water and 98.2 g (0.5 mol) of mesityleneacetyl chloride are synchronously added dropwise in such a way that the temperature, does not exceed 40° C. After 1 h, the mixture is acidified with concentrated hydrochloric acid at 0°-20° C., the product is filtered off with suction and dried in vacuo at 70° C. over diphosphorus pentoxide.

Yield: 138 g (=100% of theory) m.p. 140° C.

The active compounds of the formula (I) according to the invention are suitable for combating animal pests, in particular of the class of the Arachnida and the order of the mites (Acarina) which occur in agriculture, in forestry, in the protection of stored goods and materials, and in the hygiene field, these active substances being well tolerated by plants and having a favourable toxicity towards warm-blooded species. They are active against normally sensitive and resistant species and against all or some stages of development. The abovementioned pests include:

From the order of the Acarina, for example Acarus siro, Argas spp., Ornithodoros spp., Dermanyssus gallinae, Eriophyes ribis, Phyllocoptruta oleivora, Boophilus spp., Rhipicephalus spp., Amblyomma spp., Hyalomma spp., Ixodes spp., Psoroptes spp., Chorioptes spp., Sarcoptes spp., Tarsonemus spp., Bryobia praetiosa, Panonychus spp., Tetranychus spp..

The active substances according to the invention are not only active against pests of plants, the hygiene field and of stored goods, but also in the veterinary medicine sector against parasites of animals (ectoparasites) such as scaly ticks, argasidae, scab mites and trombedae.

They are active against normally-sensitive and resistant species and strains and against all parasitizing and non-parasitizing development stages of the ectoparasites.

The active substances according to the invention are distinguished by a high acaricidal activity. They can be employed with particularly good success against mites which are injurious to plants, such as, for example, against the common spider mite (Tetranychus urticae).

The active compounds according to the invention can furthermore be used as defoliants, desiccants, agents for destroying broad-leaved plants and, especially, as weedkillers. By weeds, in the broadest sense, there are to be understood all plants which grow in locations where they are undesired. Whether the substances according to the invention act as total or selective herbicides depends essentially on the amount used.

It is characteristic of the compounds according to the invention that they have a selective activity against monocotyledon weeds when used pre- and post-emergence, while being well tolerated by crop plants.

The active compounds according to the invention can be used, for example, in connection with the following plants:

Monocotyledon weeds of the genera: Echinochloa, Setaria, Panicum, Digitaria, Phleum, Poa, Festuca, Eleusine, Brachiaria, Lolium, Bromus, Avena, Cyperus, Sorghum, Agropyron, Cynodon, Monochoria, Fimbristylis, Sagittaria, Eleocharis, Scirpus, Paspalum, Ischaemum, Sphenoclea, Dactyloctenium, Agrostis, Alopecurus and Apera.

Monocotyledon cultures of the genera: Oryza, Zea, Triticum, Hordeum, Avena, Secale, Sorghum, Panicum, Saccharum, Ananas, Asparagus and Allium.

Dicotyledon cultures of the genera: Gossypium, Glycine, Beta, Daucus, Phaseolus, Pisum, Solanum, Linum, Ipomoea, Vicia, Nicotiana, Lycopersicon, Arachis, Brassica, Lactuca, Cucumis and Cucurbita.

However, the use of the active compounds according to the invention is in no way restricted to these genera, but also extends in the same manner to other plants.

The compounds are suitable, depending on the concentration, for the total combating of weeds, for example on industrial terrain and rail tracks, and on paths and squares with or without tree plantings. Equally, the compounds can be employed for combating weeds in perennial cultures, for example afforestations, decorative tree plantings, orchards, vineyards, citrus groves, nut orchards, banana plantations, coffee plantations, tea plantations, rubber plantations, oil palm plantations, cocoa plantations, soft fruit plantings and hopfields, and for the selective combating of weeds in annual cultures.

In this context, the active compounds according to the invention show, besides an outstanding action against harmful plants, a good tolerance by important crop plants such as, for example wheat, cotton, soya beans, citrus fruit and sugar beet, and they can therefore be employed as selective weed killers.

The active compounds can be converted into the customary formulations, such as solutions, emulsions, suspensions, powders, foams, pastes, granules, aerosols, natural and synthetic substances impregnated with active compounds, very fine capsules in polymeric substances and in coating compositions for seed, furthermore in formulation with burning equipment such as fumigating cartridges, fumigating cans, fumigating coils and the like, as well as ULV cold-mist and warm-mist formulations.

These formulations are produced in a known manner, for example by mixing the active compounds with extenders, that is liquid solvents, liquefied gases under pressure and/or solid carriers, optionally with the use of surface-active agents, that is emulsifying agents and/or dispersing agents and/or foam-forming agents. In the case of the use of water as an extender, organic solvents can, for example, also be used as auxiliary solvents. As liquid solvents, there are suitable in the main: aromatics, such as xylene, toluene, or alkylnaphthalenes, chlorinated aromatics and chlorinated aliphatic hydrocarbons, such as chlorobenzenes, chloroethylenes or methylene chloride, aliphatic hydrocarbons, such as cyclohexane or paraffins, for example petroleum fractions, alcohols, such as butanol or glycol as well as their ethers and esters, ketones, such as acetone, methyl ethyl ketone, methyl isobutyl ketone or cyclohexanone, strongly polar solvents, such as dimethylformamide and dimethyl sulphoxide, as well as water; by liquefied gaseous extenders or carriers are meant liquids which are gaseous at room temperature and atmospheric pressure, for example aerosol propellants, such as halogenohydrocarbons and also butane, propane, nitrogen and carbon dioxide; as solid carriers there are suitable: for example ground natural minerals, such as kaolins, clays, talc, chalk, quartz, attapulgite, montmorillonite or diatomaceous earth, and ground synthetic minerals, such as highly disperse silica, alumina and silicates; as solid carriers for granules there are suitable: for example crushed and fractionated natural rocks such as calcite, marble, pumice, sepiolite and dolomite, as well as synthetic granules of inorganic and organic meals, and granules of organic material such as sawdust, coconut shells, maize cobs and tobacco stalks; as emulsifying and/or foam-forming agents there are suitable: for example non-ionic and anionic emulsifiers, such as polyoxyethylene fatty acid esters, polyoxyethylene fatty alcohol ethers, for example alkylaryl polyglycol ethers, alkylsulphonates, alkyl sulphates, arylsulphonates as well as albumen hydrolysis products; as dispersing agents there are suitable: for example lignin-sulphite waste liquors and methylcellulose.

Adhesives such as carboxymethylcellulose and natural and synthetic polymers in the form of powders, granules or latexes, such as gum arabic, polyvinyl alcohol and polyvinyl acetate, as well as natural phospholipids, such as cephalins and lecithins, and synthetic phospholipids, can be used in the formulations. Further additives can be mineral and vegetable oils.

It is possible to use colorants such as inorganic pigments, for example iron oxide, titanium oxide and Prussian Blue, and organic dyestuffs, such as alizarin dyestuffs, azo dyestuffs and metal phthalocyanine dyestuffs, and trace nutrients such as salts of iron, manganese, boron, copper, cobalt, molybdenum and zinc.

The formulations in general contain between 0.1 and 95 percent by weight of active compound, preferably between 0.5 and 90%.

The active compounds according to the invention can be present in their commercially available formulations and in the use forms prepared from these formulations as a mixture with other active substances such as insecticides, attractants, sterilants, acaricides, nematicides, herbicides or fungicides. The insecticides include, for example, phosphates, carbamates, carboxylic esters, chlorinated hydrocarbons, phenylureas, substances produced by microorganisms, etc.

Furthermore, the active substances according to the invention can be present in their commercially available formulations and in the use forms prepared from these formulations as a mixture with synergists. Synergists are compounds by which the action of the active substances is increased without it being necessary for the synergist added to be active itself.

The active compound content of the use forms prepared from the commercially available formulations can vary within wide limits. The active compound concentration of the use forms can be from 0.0000001 to 95% by weight of active substance, preferably between 0.0001 and 1% by weight.

The compounds are employed in a customary manner appropriate for the use forms.

The active substances according to the invention are also suitable for combating mites, ticks, etc. in the sectors of animal keeping and cattle breeding; better results, for example higher milk production, greater weight, more attractive animal pelt, longer life, etc., can be achieved by combating the pests.

The application of the active compounds according to the invention occurs in this sector in a known fashion, such as by oral application in the form of, for example, tablets, capsules, potions, granules, by means of dermal or external application in the form of, for example, dipping, spraying, pouring-on, spotting on and dusting, as well as by means of parenteral application in the form of, for example, injection and, furthermore, by means of the feed-through process. In addition, application as moulded articles (collar, ear tag) is also possible.

In the biological examples listed below, the following compounds were used as comparison substances: ##STR529## disclosed in DE-A 2,361,084 and U.S. Pat. No. 4,632,698 ##STR530## disclosed in DE-A 2,361,084 and U.S. Pat. No. 4,632,698 ##STR531## disclosed in DE-A 2,361,084 and U.S. Pat. No. 4,632,698

Example A Phaedon larvae test

Solvent: 7 parts by weight of dimethylformamide

Emulsifier: 1 part by weight of alkylaryl polyglycol ether

To produce a suitable preparation of active compound, 1 part by weight of active compound is mixed with the stated amount of solvent and the stated amount of emulsifier, and the concentrate is diluted with water to the desired concentration.

Cabbage leaves (Brassica oleracea) are treated by being dipped into the preparation of the active compound of the desired concentration and are infested with mustard beetle larvae (Phaedon cochleariae), while the leaves are still moist.

After the desired time, the destruction in % is determined. 100% means that all the beetle larvae have been killed; 0% means that none of the beetle larvae have been killed.

In this test, a superior activity compared with the prior art is shown, for example, by the following compounds of the Preparation Examples: (1), (2), (32), (40), (278), (280), (290), (299).

Example B Plutella test

Solvent: 7 parts by weight of dimethylformamide

Emulsifier: 1 part by weight of alkylaryl polyglycol ether

To produce a suitable preparation of active compound, 1 part by weight of active compound is mixed with the stated amount of solvent and the stated amount of emulsifier, and the concentrate is diluted with water to the desired concentration.

Cabbage leaves (Brassica oleracea) are treated by being dipped into the preparation of active compound of the desired concentration and are infested with caterpillars of the diamond-back moth (Plutella maculipennis) while the leaves are still moist.

After the desired time, the destruction in % is determined. 100% means that all the caterpillars have been killed; 0% means that none of the caterpillars have been killed.

In this test, a superior activity compared with the prior art is shown, for example, by the following compounds of the Preparation Examples: (1), (32), (283), (299).

Example C Nephotettix test

Solvent: 7 parts by weight of dimethylformamide

Emulsifier: 1 part by weight of alkylaryl polyglycol ether

To produce a suitable preparation of active compound, 1 part by weight of active compound is mixed with the stated amount of solvent and the stated amount of emulsifier, and the concentrate is diluted with water to the desired concentration.

Rice seedlings (Oryza sativa) are treated by being dipped into the preparation of active compound of the desired concentration and are infested with larvae of the green rice leaf-hopper (Nephotettix cincticepa) while the seedlings are still moist.

After the desired time, the destruction in % is determined. 100% means that all the leaf-hoppers have been killed; 0% means that none of the leaf-hoppers have been killed.

In this test, a superior activity compared with the prior art is shown, for example, by the following compounds of the Preparation Examples: (1), (32), (43), (290), (292), (299), (301).

Example D Pre-emergence test

Solvent: 7 parts by weight of acetone

Emulsifier: 1 part by weight of alkylaryl polyglycol ether

To produce a suitable preparation of active compound, 1 part by weight of active compound is mixed with the stated amount of solvent and the stated amount of emulsifier, and the concentrate is diluted with water to the desired concentration.

Seeds of the test plants are sown in standard soil and, after 24 hours, watered with the preparation of the active compound. It is expedient to keep constant the amount of water per unit area. The concentration of the active compound in the preparation is of no importance, only the amount of active compound applied per unit area being decisive. After three weeks, the degree of damage to the plants is rated in % damage in comparison to the development of the untreated control. The figures denote:

0%=no action (like untreated control)

100%=total destruction

In this test, a superior activity compared with the prior art is shown, for example, by the following compounds of the Preparation Examples: (32), (281), (283).

Example E Post-emergence test

Solvent: 7 parts by weight of acetone

Emulsifier: 1 part by weight of alkylaryl polyglycol ether

To produce a suitable preparation of active compound, 1 part by weight of active compound is mixed with the stated amount of solvent and the stated amount of emulsifier and the concentrate is diluted with water to the desired concentration.

Test plants which have a height of 5-15 cm are sprayed with the preparation of the active compound in such a way as to apply the particular amounts of active compound desired per unit area. The concentration of the spray liquor is so chosen that the particular amounts of active compound desired are applied in 2,000 l of water/ha. After three weeks, the degree of damage to the plants is rated in % damage in comparison to the development of the untreated control. The figures denote:

0%=no action (like untreated control)

100%=total destruction

In this test, a superior activity compound with the prior art is shown, for example, by the following compounds of the Preparation Examples: (32), (281), (283).

Example F Tetranychus test (OP resistant)

Solvent: 7 parts by weight of dimethylformamide

Emulsifier: 1 part by weight of alkylaryl polyglycol ether

To produce a suitable preparation of active compound, 1 part by weight of active compound is mixed with the stated amount of solvent and the stated amount of emulsifier, and the concentrate is diluted with water containing emulsifier to the desired concentration.

Bean plants (Phaseolus vulgaris) which are heavily infested with all development stages of the common spider mite or greenhouse red spider mite (Tetranychus urticae) are sprayed with an active compound preparation of the desired concentration until dripping wet.

After the desired time, the action in % is determined. 100% means that all the spider mites have been killed; 0% means that none of the spider mites have been killed.

In this test, a superior activity compared with the prior art is shown, for example, by the following compounds of the Preparation Examples: (281), (283).

It is understood that the specification and examples are illustrative but not limitative of the present invention and that other embodiments within the spirit and scope of the invention will suggest themselves to those skilled in the art. 

We claim:
 1. A 3-aryl-pyrrolidine-2,4-dione derivative of the formula ##STR532## in which X represents C₁ -C₆ -alkyl, halogen or C₁ -C₆ -alkoxy,Y represent hydrogen, C₁ -C₆ -alkyl, halogen or C₁ -C₆ -alkoxy or C₁ -C₃ -halogenoalkyl, Z represents C₁ -C₆ -alkyl, halogen or C₁ -C₆ -alkoxy, n represents a number from 0-3, R represents hydrogen (Ia), or represents the groups of the formula ##STR533## in which R¹ represents C₁ -C₂₀ -alkyl, C₂ -C₂₀ -alkenyl, C₁ -C₈ -alkoxy-C₂ -C₈ -alkyl, C₁ -C₈ -alkylthio-C₂ -C₈ -alkyl, C₁ -C₈ -polyalkoxy-C₂ -C₈ -alkyl and cycloalkyl which has 3-8 ring atoms and which can be interrupted by at least one of oxygen and sulphur, each of these substituents being optionally substituted by halogen, or represents optionally halogen-, nitro-, C₁ -C₆ -alkyl-, C₁ -C₆ -alkoxy-, C₁ -C₆ -halogenoalkyl- or C₁ -C₆ -halogenoalkoxy-substituted phenyl; or represents optionally halogen-, C₁ -C₆ -alkyl-, C₁ -C₆ -alkoxy-, C₁ -C₆ -halogenoalkyl- or represents optionally halogen- and C₁ -C₆ -alkyl-substituted phenoxy-C₁ -C₆ -alkyl,R² represents C₁ -C₂₀ -alkyl, C₂ -C₂₀ -alkenyl, C₁ -C₈ -alkoxy-C₂ -C₈ -alkyl or C₁ -C₈ -polyalkoxy-C₂ -C₈ -alkyl each of which is optionally substituted by halogen, or represents phenyl or cycloalkyl which has 3-8 ring atoms, each of which is optionally substituted by halogen-, nitro-, C₁ -C₆ -alkyl-, C₁ -C₆ -alkoxy- or C₁ -C₆ -halogenoalkyl, A represents hydrogen or represents straight-chain or branched C₁ -C₁₂ -alkyl, C₃ -C₈ -alkenyl, C₃ -C₈ -alkynyl, C₁ -C₁₀ -alkoxy-C₂ -C₈ -alkyl, C₁ -C₈ -polyalkoxy-C₂ -C₈ -alkyl, C₁ -C₁₀ -alkylthio-C₂ -C₈ -alkyl, cycloalkyl which has 3-8 ring atoms and which can be interrupted by at least one of oxygen and sulphur, each of these substituents being optionally substituted by halogen, or represents aryl, or aryl-C₁ -C₆ -alkyl each of which is optionally substituted by halogen, C₁ -C₆ -alkyl-C₁ -C₆ -halogenoalkyl-, C₁ -C₆ -alkoxy or nitro, B represents hydrogen or straight-chain or branched C₁ -C₁₂ -alkyl or C₁ -C₈ -alkoxyalkyl, and E.sup.⊕ represents a metal ion equivalent or an ammonium ion.
 2. A 3-aryl-pyrrolidine-2,4-dione derivative according to claim 1, in whichX represents C₁ -C₄ -alkyl, halogen, or C₁ -C₄ -alkoxy, Y represents hydrogen, C₁ -C₆ -alkyl, halogen, C₁ -C₄ -alkoxy or C₁ -C₂ -halogenoalkyl, Z represents C₁ -C₄ -alkyl, halogen or C₁ -C₄ -alkoxy, n represents a number from 0-3, R represents hydrogen (Ia) or represents the groups of the formula

    --CO--R.sup.1                                              (Ib), or

    --CO--O--R.sup.2                                           (Ic) or

    E.sup.⊕                                                (Id)

in whichR¹ represents C₁ -C₁₆ -alkyl, C₂ -C₁₆ -alkenyl, C₁ -C₆ -alkoxy-C₂ -C₆ -alkyl, C₁ -C₆ -alkylthio-C₂ -C₆ -alkyl, C₁ -C₆ -polyalkoxy-C₂ -C₆ -alkyl and cycloalkyl which has 3-7 ring atoms and which can be interrupted once or twice by at least one of oxygen and sulphur atoms, each of these substituents being optionally substituted by halogen, or represents optionally halogen-, nitro-, C₁ -C₄ -alkyl-, C₁ -C₄ -alkoxy-, C₁ -C₃ -halogenoalkyl- or C₁ -C₃ -halogenoalkoxy-substituted phenyl, or represents optionally halogen-, C₁ -C₄ -alkyl-, C₁ -C₄ -alkoxy-, C₁ -C₃ -halogenoalkyl- or C₁ -C₃ -halogenoalkoxy-substituted phenyl-C₁ -C₄ -alkyl, optionally represents halogen- and C₁ -C₄ -alkyl-substituted phenoxy-C₁ -C₅ -alkyl, R² represents C₁ -C₁₆ -alkyl, C₂ -C₁₆ -alkenyl, C₁ -C₁₆ -alkoxy-C₂ -C₆ -alkyl or C₁ -C₈ -polyalkoxy-C₂ -C₆ -alkyl each of which is optionally substituted by halogen, or represents optionally halogen, nitro-, C₁ -C₄ -alkyl, C₁ -C₃ -alkoxy- or C₁ -C₃ -halogenoalkyl-substituted phenyl, A represents hydrogen or straight-chain or branched C₁ -C₁₀ -alkyl, C₃ -C₆ -alkenyl, C₃ -C₆ -alkynyl, C₁ -C₈ -alkoxy-C₂ -C₆ -alkyl, C₁ -C₆ -polyalkoxy-C₂ -C₆ -alkyl, C₁ -C₈ alkylthio-C₂ -C₆ -alkyl, cycloalkyl which has 3-7 ring atoms and which can be interrupted once or twice by at least one of oxygen and sulphur atoms, each of these substituents being optionally substituted by halogen, or represents aryl, or aryl-C₁ -C₄ -alkyl each of which is optionally substituted by halogen-, C₁ -C₄ -alkyl-, C₁ -C₄ -halogenoalkyl, C₁ -C₄ -alkoxy or nitro, B represents hydrogen or straight-chain or branched C₁ -C₁₀ -alkyl or C₁ -C alkoxyalkyl, and E.sup.⊕ represents a metal ion equivalent or an ammonium ion.
 3. A 3-aryl-pyrrolidine-2,4-dione derivative according to claim 1, in whichX represents methyl, ethyl, propyl, i-propyl, fluorine, chlorine, bromine, methoxy and ethoxy, Y represents hydrogen, methyl, ethyl, propyl, i-propyl, butyl, i-butyl, tert.-butyl, fluorine, chlorine, bromine, methoxy, ethoxy and trifluoromethyl, Z represents methyl, ethyl, i-propyl, butyl, i-butyl, tert.-butyl, fluorine, chlorine, bromine, methoxy and ethoxy, n represents a number from 0-3, R represents hydrogen (Ia) or represents the groups of the formula

    --CO--R.sup.1                                              (Ib) or

    --CO--O--R.sup.2                                           (Ic) or

    E.sup.⊕                                                (Id)

in whichR¹ represents C₁ -C₁₄ -alkyl, C₂ -C₁₄ -alkenyl, C₁ -C₄ -alkoxy-C₂ -C₆ -alkyl, C₁ -C₄ -alkylthio-C₂ -C₆ -alkyl, C₁ -C₄ -polyalkoxyl-C₂ -C₄ -alkyl and cycloalkyl which has 3-6 ring atoms, and which can be interrupted once or twice by at least one of oxygen and sulphur atoms, each of these substituents being optionally substituted by fluorine or chlorine, or represents optionally fluorine- chlorine, bromine-, methyl-, ethyl-, propyl, i-propyl, methoxy, ethoxy, trifluoromethyl-, trifluoromethoxy- or nitro-substituted phenyl, or represents optionally fluorine-, chlorine-, bromine-, methyl-, ethyl-, propyl-, i-propyl, methoxy, ethoxy, trifluoromethyl or trifluoromethoxy-substituted phenyl-C₁ -C₃ -alkyl, or represents optionally fluorine-, chlorine-, methyl- or ethyl-substituted phenoxy-C₁ -C₄ -alkyl, R² represents C₁ -C₁₄ -alkyl, C₂ -C₁₄ -alkenyl, C₁ -C₄ -alkoxy-C₂ -C₆ -alkyl or C₁ -C₄ -polyalkoxy-C₂ -C₆ -alkyl each of which is optionally substituted by fluorine or chlorine, or represents phenyl which is optionally substituted by fluorine-, chlorine-, nitro-, methyl-, ethyl-, propyl-, i-propyl-, methoxy-, ethoxy- or trifluoromethyl-, A represents hydrogen, or straight-chain or branched C₁ -C₈ -alkyl, C₃ -C₄ -alkenyl, C₃ -C₄ -alkynyl, C₁ -C₆ -alkoxy-C₂ -C₄ -alkyl, C₁ -C₄ -polyalkoxy-C₂ -C₄ -alkyl, C₁ -C₆ -alkylthio-C₂ -C₄ -alkyl, cycloalkyl which has 3-6 ring atoms and which can be interrupted once or twice by at least one of oxygen and sulphur atoms, each of these substituents being optionally substituted by halogen, B represents hydrogen or straight-chain or branched C₁ -C₆ -alkyl or C₁ -C₄ -alkoxyalkyl, and E.sup.⊕ represents a metal ion equivalent or an ammonium ion.
 4. An insecticidal acaricidal or herbicidal composition comprising an insecticidally, acaricidally or herbicidally effective amount of a compound according to claim 1 and a diluent.
 5. A method of combating insects, acarids or unwanted vegetation which comprises applying thereto or to a locus from which it is desired to exclude such insects, acarids or vegetation an insecticidally, acaricidally or herbicidally effective amount of a compound according to claim
 1. 6. 1-H-3-Aryl-pyrrolidine-2,4-dione-derivative according to claim 1 of the formula: ##STR534##
 7. 1-H-3-Aryl-pyrrolidine-2,4-dione derivative according to claim 1 of the formula ##STR535##
 8. 1-H-3-Aryl-pyrrolidine-2,4-dione derivative according to claim 1 of the formula ##STR536##
 9. 1-H-3-Aryl-pyrrolidine-2,4-dione derivative according to claim 1 of the formula ##STR537##
 10. 1-H-3-Aryl-pyrrolidine-2,4-dione derivative according to claim 1 of the formula ##STR538## 